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Finding the Fourth Proportional to 18,472.59, 25,492.28 and 10,089.63

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Solution

The fourth proportional to 18,472.59, 25,492.28 and 10,089.63 is: 13,923.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.59 : 25,492.28 = 10,089.63 : x
  2. Step 2: Convert to fraction form
    18,472.59/25,492.28 = 10,089.63/x
  3. Step 3: Cross multiply
    18,472.59x = 25,492.28 × 10,089.63
  4. Step 4: Simplify right side
    18,472.59x = 257,207,622.61
  5. Step 5: Solve for x
    x = 257,207,622.61/18,472.59
  6. Step 6: Final answer
    x = 13,923.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.